Features. Description. Functional Block Diagram. Applications. Pin Assignment PI3A6386. USB Type-C Ultra-Low-THD Audio and Data Switch Array

Transcription

1 USB Type-C Ultra-Low-THD Audio and Data Switch Array Features Description : Functional Block Diagram Applications Pin Assignment Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See for more information about Diodes Incorporated s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. October 2018 Document Number DS40399 Rev Diodes Incorporated

2 Pin Description Pin# Name Description 1 ISBU2 Sideband 2 2 MIC+ Microphone + 3 MIC- Microphone - 4 ADLGND Ground for Audio Signal L 5 SBU1 SBU1 of USB receptacle 7 ADRGND Ground for Audio Signal R 8 SBU2 SBU2 of USB receptacle 10 USB+ USB Signal + 11 USB- USB Signal - 13 ADL Audio Signal L 14 D- D- pin of USB receptacle 15 D+ D+ pin of USB receptacle 16 ADR Audio Signal R 17 SSCAP Slew Rate Control 18 SDA I2C Data Input /Output 19 SCL I2C Clock Input 20 ADD I2C Slave Address Select 22 VDD Power Supply 23 ISBU1 Sideband 1 9, 21, Thermal Pad GND Ground 6, 12, 24 NC No Connection Top View October 2018 Document Number DS40399 Rev Diodes Incorporated

3 Maximum Ratings Storage Temperature to +150 Ambient Temperature with Power Applied to +85 Supply Voltage V DD..-0.5Vto +6V Input Voltage of All I/O Pins (Except Audio Path) Vto +6V Input Voltage of Audio Path (D+/D-) V to +6V Input Voltage of Audio Path (ADR/ADL) V to +3.5V Continuous Current of Audio Switches.. ±150mA Continuous Current of All Switches.. ±20mA Peak Current of Audio Switches (pulsed at 50% duty cycle) ±200mA Peak Current of All Switches (pulsed at 50% duty cycle)... ±30mA ESD HBM mode 4kV CDM mode 1kV Note: Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. Control input must be held HIGH or LOW; it must not float. Recommended Operating Conditions Symbol Parameter Min. Typ. Max. Unit V DD Supply Voltage V V IO Input Voltage of All I/O Pins (Except ADR/ADL/D+/D-) V V AUDIO Input Voltage of Audio Path (ADR/ADL) -3-3 V V D+/- Input Voltage of D+/D V T A Operating Temperature C Electrical Characteristics (T A = 40 C to 85 C, unless otherwise noted. Typical values are at 3.3V Vdd and +25 C.) Parameter Symbol Test Conditions Min. Typ. Max. Unit ANALOG SWITCH (ADR, ADL) Analog Signal Range V ADR/ADL-, V D+/D V On-Resistance R ON V ADR/ADL = -3V to +3V, ILoad=-100mA Ω On-Resistance Match Between Channels ΔR ON Ω On-Resistance Flatness R ONF V ADR/ADL = -3V to +3V Ω ANALOG GROUND SWITCH (ADRGND, ADLGND) On-Resistance R ON VADRGND/ADLGND=0V, ILoad=- 100mA Ω AUDIO SWITCH DYNAMIC CHARACTERISTICS V Turn-Off Time t AUDIO+/- = 3V, R L = 32Ω OFF SSCAP=float 30 μs Turn-On Time t ON V AUDIO+/- = 3V, R L = 32Ω SSCAP=float 30 μs SSCAP=0.01uF Soft-Start Time t START V NC_ = 0.1V, 10% to 90% 5 ms Soft-Stop Time t STOP SSCAP=0.01uF 5 ms Off-Isolation (AUDIO+/- to D+/D-) Channel-to-Channel Crosstalk (AUDIO+ to AUDIO-) O ISO X TALKD V NC_ = 0.1V, 90% to 10% V BIAS =0V, V IN =0dBm (NOTE1) V BIAS =0V, V IN =0dBm (NOTE1) 30kHz db 30kHz db October 2018 Document Number DS40399 Rev Diodes Incorporated

4 Parameter Symbol Test Conditions Min. Typ. Max. Unit -3dB Bandwidth f 3dB V BIAS =0V, V IN =0dBm (NOTE1) MHz Total Harmonic f=20hz to 20kHz, R THD+N L =32Ω, V IN =2.0V RMS, Distortion V BIAS =0V (NOTE1) db DATA SWITCH (USB+, USB-) Data Signal Range V USB+/ -, V D+/ V On-Resistance R ON V USB+/ - =0V, 0.4V. I load =-8mA Ω On-Resistance Match Between Channels ΔR ON V USB+/- =0V~1V, Iload=-8mA Ω DATA SWITCH DYNAMIC CHARACTERISTICS Turn-Off Time t OFF V USB+/- = 3V, R L = 50Ω 1 μs Turn-On Time t ON V USB+/- = 3V, R L = 50Ω 30 μs V Off-Isolation (USB+/- to BIAS =0V, O D+/D-) ISO V IN =0dBm (NOTE1) 240MHz db Channel-to-Channel Crosstalk (USB+ to USB-) X TALKD V BIAS =0V, V IN =0dBm (NOTE1) 240MHz db -3dB Bandwidth f 3dB V BIAS =0V, V IN =0dBm (NOTE1) GHz Switch on capacitance Con Vcc=3.3V, frequency :240MHz 6 pf MICROPHONE SWITCHES (MIC+, MIC-) Microphone Signal Range MIC+, MIC- On- Resistance MIC+ On-Resistance Flatness V MIC+/ V R ON V MIC+ = 0V to +2.6V, ILoad=-8mA Ω R ONF V MIC+ = 0V to +2.6V, VDD>2.5V Ω V MIC+ = 0V to +2.6V, VDD<2.5V Ω V BIAS =0V, V IN =0dBm (NOTE1) 30kHz db Off-Isolation (MIC+, MIC- to SBU1/SBU2) O ISO Channel-to-Channel V Crosstalk (MIC+ to X BIAS =0V, V IN =0dBm TALKD (NOTE1) 30kHz MIC-) db Total Harmonic f=20hz to 20kHz, R THD+N L =600Ω, V IN =0.1V RMS, Distortion V BIAS =2V (NOTE1) db SIDEBAND SWITCH (ISBU1, ISBU2) On-Resistance R ON VISBU1/2=0V, 3.6V, ILoad=-8mA Ω -3dB Bandwidth f 3dB V BIAS =0V, V IN =0dBm (NOTE1) MHz I2C INPUT (SCL, SDA) Input Logic High Input Logic Low V IH V IL 0.7VD D SCL Frequency f SCL 0 1 MHz SCL Input capacitance C i V I =GND pf SDA Low level Output 0.25V DD I OL V OL =0.4V ma Current CURRENT CONSUMPTION Operating Current I CC μa Shutdown Current I SD 1 μa MICROPHONE DETECTION Valid Headphone R LR TRRS connector Ω Impedance R LR TRS connector Ω Valid Microphone Impedance R MIC TRRS connector Ω Note 1:These parameters are measured on TA=25 C October 2018 Document Number DS40399 Rev Diodes Incorporated

5 Typical Application Circuit Function Description October 2018 Document Number DS40399 Rev Diodes Incorporated

6 I2C Control a. Device address Table 1: Device address b7(msb) b6 b5 b4 b3 b2 b1 b0 Address Byte (ADDR = 0 ) R/W Address Byte (ADDR = 1 ) R/W Note: Read 1, Write 0 b. Registers Command byte Table 2: Command byte Command Register 0 Information register 1 Control register Register 0: Information register Table 3: Information register b7(msb)-b3 b2 b1 b0 Name Reserved Mic detection Success Mic present Mic+/Mic- Connection Description 1 : detection not successful 0 : detection successful ( only valid if Register 1 1 : Mic not present 0 : Mic present ( only valid if Register 1 1 : Mic+/Mic- connected to SBU1/SBU2 0 : Mic+/Mic- connected to SBU2/SBU1 ( only valid if Register 1 b1=1) b1=1 ) b1=1 ) Type R R R R Default October 2018 Document Number DS40399 Rev Diodes Incorporated

7 Register 1: Control register Table 4: Control register b7(msb) b6 b5 b4 b3 b2 b1 b0 Name Enable USB/ AUDIO Mic/Sideband Mux Sideband Mux Detection USB/ AUDIO Mic/Sideb and Mux Reser ved Mux Mux Connect ion Connectio n Description 0 : IC disabled 0 : D+/Dconnected to 0: SBU1/SBU2 connected to 0 : SBU1/SBU2 connected to 0 : Start Mic detection 0: Closed 0: Closed 1: Opened and all switches disconnect ed 1: IC enabled ADR/ARL 1: D+/Dconnected to USB+/USB- ( only valid if Register 1 b2 = 0) Mic+/Mic-, ADLGND, ADRGND or Mic-, ADLGND, ADRGND /Mic+ 1: SBU1/SBU2 connected to ISBU1/ISBU2 ( only valid if Register 1 b1 = 0) ISBU2/ISBU1 1: SBU1/SBU2 connected to ISBU1/ISBU2 ( only valid if Register 1 b1=0 & b5 = 1) (After the mic detection cycle, b3 will be reset to 1.) 1 : Stop Mic detection/detectio n stop (During mic detection cycle, writing 1 to b3 can force mic detection stop) 1: Opened Type R/W R/W R/W R/W R/W R/W R/W R/W Default Part Marking October 2018 Document Number DS40399 Rev Diodes Incorporated

8 Packaging Mechanical: TQFN-24 (ZL) Ordering Information Part Number Package Code Package ZLEX ZL 24-Contact, Very Thin Quad Flat No-Lead (TQFN) Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See for more information about Diodes Incorporated s definitions of Halogen- and Antimony-free, Green and Lead-free. 3. Thermal characteristics can be found on the company web site at 4. E = Pb-free and Green 5. X suffix = Tape/Reel October 2018 Document Number DS40399 Rev Diodes Incorporated

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